Added MessageOutput class to simplify sending plugin messages
Added social spy
* Toggled with /socialspy

Started adding util classes to neaten the code up
Refactored chat channels and socialspy out of BungeeChat class
* ChatHandler now also handles all normal chat related stuff
Fixed social spy didnt remove / from commands
* SocialSpy didnt prefix the message with the players name
* Private messaging didnt use colorization
Changed msg command to tell so it will override the vanilla tell command